21572772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 55121472

約数和(自身を除く): 33548700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2267, 2379, 3172, 4534, 4758, 6801, 9068, 9516, 13602, 27204, 29471, 58942, 88413, 117884, 138287, 176826, 276574, 353652, 414861, 553148, 829722, 1659444, 1797731, 3595462, 5393193, 7190924, 10786386, 21572772]

約数ペア:

[(1, 21572772), (2, 10786386), (3, 7190924), (4, 5393193), (6, 3595462), (12, 1797731), (13, 1659444), (26, 829722), (39, 553148), (52, 414861), (61, 353652), (78, 276574), (122, 176826), (156, 138287), (183, 117884), (244, 88413), (366, 58942), (732, 29471), (793, 27204), (1586, 13602), (2267, 9516), (2379, 9068), (3172, 6801), (4534, 4758)]